-7(4x+21)=5(2x+1)

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Solution for -7(4x+21)=5(2x+1) equation:


Simplifying
-7(4x + 21) = 5(2x + 1)

Reorder the terms:
-7(21 + 4x) = 5(2x + 1)
(21 * -7 + 4x * -7) = 5(2x + 1)
(-147 + -28x) = 5(2x + 1)

Reorder the terms:
-147 + -28x = 5(1 + 2x)
-147 + -28x = (1 * 5 + 2x * 5)
-147 + -28x = (5 + 10x)

Solving
-147 + -28x = 5 + 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.
-147 + -28x + -10x = 5 + 10x + -10x

Combine like terms: -28x + -10x = -38x
-147 + -38x = 5 + 10x + -10x

Combine like terms: 10x + -10x = 0
-147 + -38x = 5 + 0
-147 + -38x = 5

Add '147' to each side of the equation.
-147 + 147 + -38x = 5 + 147

Combine like terms: -147 + 147 = 0
0 + -38x = 5 + 147
-38x = 5 + 147

Combine like terms: 5 + 147 = 152
-38x = 152

Divide each side by '-38'.
x = -4

Simplifying
x = -4

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