15(x-7)+4=10(x-7)+4

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Solution for 15(x-7)+4=10(x-7)+4 equation:


Simplifying
15(x + -7) + 4 = 10(x + -7) + 4

Reorder the terms:
15(-7 + x) + 4 = 10(x + -7) + 4
(-7 * 15 + x * 15) + 4 = 10(x + -7) + 4
(-105 + 15x) + 4 = 10(x + -7) + 4

Reorder the terms:
-105 + 4 + 15x = 10(x + -7) + 4

Combine like terms: -105 + 4 = -101
-101 + 15x = 10(x + -7) + 4

Reorder the terms:
-101 + 15x = 10(-7 + x) + 4
-101 + 15x = (-7 * 10 + x * 10) + 4
-101 + 15x = (-70 + 10x) + 4

Reorder the terms:
-101 + 15x = -70 + 4 + 10x

Combine like terms: -70 + 4 = -66
-101 + 15x = -66 + 10x

Solving
-101 + 15x = -66 + 10x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-10x' to each side of the equation.
-101 + 15x + -10x = -66 + 10x + -10x

Combine like terms: 15x + -10x = 5x
-101 + 5x = -66 + 10x + -10x

Combine like terms: 10x + -10x = 0
-101 + 5x = -66 + 0
-101 + 5x = -66

Add '101' to each side of the equation.
-101 + 101 + 5x = -66 + 101

Combine like terms: -101 + 101 = 0
0 + 5x = -66 + 101
5x = -66 + 101

Combine like terms: -66 + 101 = 35
5x = 35

Divide each side by '5'.
x = 7

Simplifying
x = 7

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