4(x+28)-3(-x+7)=28

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Solution for 4(x+28)-3(-x+7)=28 equation:


Simplifying
4(x + 28) + -3(-1x + 7) = 28

Reorder the terms:
4(28 + x) + -3(-1x + 7) = 28
(28 * 4 + x * 4) + -3(-1x + 7) = 28
(112 + 4x) + -3(-1x + 7) = 28

Reorder the terms:
112 + 4x + -3(7 + -1x) = 28
112 + 4x + (7 * -3 + -1x * -3) = 28
112 + 4x + (-21 + 3x) = 28

Reorder the terms:
112 + -21 + 4x + 3x = 28

Combine like terms: 112 + -21 = 91
91 + 4x + 3x = 28

Combine like terms: 4x + 3x = 7x
91 + 7x = 28

Solving
91 + 7x = 28

Solving for variable 'x'.

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

Add '-91' to each side of the equation.
91 + -91 + 7x = 28 + -91

Combine like terms: 91 + -91 = 0
0 + 7x = 28 + -91
7x = 28 + -91

Combine like terms: 28 + -91 = -63
7x = -63

Divide each side by '7'.
x = -9

Simplifying
x = -9

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