7x+3(x+5)=2x-7

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Solution for 7x+3(x+5)=2x-7 equation:


Simplifying
7x + 3(x + 5) = 2x + -7

Reorder the terms:
7x + 3(5 + x) = 2x + -7
7x + (5 * 3 + x * 3) = 2x + -7
7x + (15 + 3x) = 2x + -7

Reorder the terms:
15 + 7x + 3x = 2x + -7

Combine like terms: 7x + 3x = 10x
15 + 10x = 2x + -7

Reorder the terms:
15 + 10x = -7 + 2x

Solving
15 + 10x = -7 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
15 + 10x + -2x = -7 + 2x + -2x

Combine like terms: 10x + -2x = 8x
15 + 8x = -7 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + 8x = -7 + 0
15 + 8x = -7

Add '-15' to each side of the equation.
15 + -15 + 8x = -7 + -15

Combine like terms: 15 + -15 = 0
0 + 8x = -7 + -15
8x = -7 + -15

Combine like terms: -7 + -15 = -22
8x = -22

Divide each side by '8'.
x = -2.75

Simplifying
x = -2.75

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