8(5+x)=7(3+x)

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Solution for 8(5+x)=7(3+x) equation:


Simplifying
8(5 + x) = 7(3 + x)
(5 * 8 + x * 8) = 7(3 + x)
(40 + 8x) = 7(3 + x)
40 + 8x = (3 * 7 + x * 7)
40 + 8x = (21 + 7x)

Solving
40 + 8x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
40 + 8x + -7x = 21 + 7x + -7x

Combine like terms: 8x + -7x = 1x
40 + 1x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
40 + 1x = 21 + 0
40 + 1x = 21

Add '-40' to each side of the equation.
40 + -40 + 1x = 21 + -40

Combine like terms: 40 + -40 = 0
0 + 1x = 21 + -40
1x = 21 + -40

Combine like terms: 21 + -40 = -19
1x = -19

Divide each side by '1'.
x = -19

Simplifying
x = -19

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