4(x+7)-15=100

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Solution for 4(x+7)-15=100 equation:


Simplifying
4(x + 7) + -15 = 100

Reorder the terms:
4(7 + x) + -15 = 100
(7 * 4 + x * 4) + -15 = 100
(28 + 4x) + -15 = 100

Reorder the terms:
28 + -15 + 4x = 100

Combine like terms: 28 + -15 = 13
13 + 4x = 100

Solving
13 + 4x = 100

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 4x = 100 + -13

Combine like terms: 13 + -13 = 0
0 + 4x = 100 + -13
4x = 100 + -13

Combine like terms: 100 + -13 = 87
4x = 87

Divide each side by '4'.
x = 21.75

Simplifying
x = 21.75

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