Answer:
x = 9
Step-by-step explanation:
Simplifying
17x + -12 = 114 + 3x
Reorder the terms:
-12 + 17x = 114 + 3x
Solving
-12 + 17x = 114 + 3x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3x' to each side of the equation.
-12 + 17x + -3x = 114 + 3x + -3x
Combine like terms: 17x + -3x = 14x
-12 + 14x = 114 + 3x + -3x
Combine like terms: 3x + -3x = 0
-12 + 14x = 114 + 0
-12 + 14x = 114
Add '12' to each side of the equation.
-12 + 12 + 14x = 114 + 12
Combine like terms: -12 + 12 = 0
0 + 14x = 114 + 12
14x = 114 + 12
Combine like terms: 114 + 12 = 126
14x = 126
Divide each side by '14'.
x = 9
Simplifying
x = 9
B) 6 boys
18 divide by 2 = 9 (girls)
so
12 divide by 2 = 6 (boys)
hope this helps
A nickel is 5 cents.
7 ÷ .05
There are 140 nickels in $7.
Answer:
each piece is 5.6 in
Step-by-step explanation:
84/15 = 5.6
The answer is 58, because 2/5 is equal to 0.4, and 0.4 multiplied by 145 is 58.