# Evaluate expression

If x=2, y=-5 and z=3 what is the value of x-2y

Correct result:

v =  12

#### Solution:

$x=2 \ \\ y=-5 \ \\ z=3 \ \\ \ \\ v=x-2 \cdot \ y=2-2 \cdot \ (-5)=12$ We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you! ## Next similar math problems:

• Roman numerals + Add up the number writtens in Roman numerals. Write the results as a decimal number.
• Roman numerals 2+ Add up the number writtens in Roman numerals. Write the results as a roman numbers. Added together and write as decimal number: LXVII + MLXIV
• Product Result of the product of the numbers 1, 2, 3, 1, 2, 0 is:
• Flood water Flood waters in some US village meant that the homes had to evacuate 364 people. 50 of them stayed at elementary schools, 59 them slept with their friends and others went to relatives. How many people have gone to relatives?
• Decimal expansion Calculate: 2 . 1 + 0 . 10 + 7 . 10000 + 4 . 1000 + 6 . 100 + 0 . 100000 =
• Operations Sum of the numbers 1.01 and 3.35 multiply by the difference of numbers 6.69 and 1.39.
• Brackets 2 Add parenthesis to make true: 5-2×6-4+2=5
• Students at cinema All pupils from the school went to the cinema for a film performance. The cinema has 400 seats, 2 rows of 20 seats remain unoccupied. 10 places were occupied by teachers. How many students were there?
• Startup Jaxon’s start up business makes a profit of $450 during the first month. However, the company records a profit of -$60 per month for the next four months and a profit of \$125 for the final month. What is the total profit for the first six months of Jaxon’
• Product of the sum and difference Calculate the product of the sum and difference of numbers -7 and -2.
• Expression 1 What is 7+8-(5×2)+5-4+(6×(5-3)+6)-(8+10)-7+6?
• Expression plus minus Evaluate expression: (-1)2 . 12 – 6 : 3 + (-3) . (-2) + 22 – (-3) . 2
• Expression 8 Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
• Expression 6 Evaluate expression: -6-2(4-8)-9
• With bracket Calculate (evaluate) simple mathematical expression with a negative numbers and a bracket: 13+15*5-2*(-6)
• Evaluate - order of ops Evaluate the expression: 32+2[5×(24-6)]-48÷24 Pay attention to the order of operation including integers