7x+70=8x+30

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Solution for 7x+70=8x+30 equation:


Simplifying
7x + 70 = 8x + 30

Reorder the terms:
70 + 7x = 8x + 30

Reorder the terms:
70 + 7x = 30 + 8x

Solving
70 + 7x = 30 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
70 + 7x + -8x = 30 + 8x + -8x

Combine like terms: 7x + -8x = -1x
70 + -1x = 30 + 8x + -8x

Combine like terms: 8x + -8x = 0
70 + -1x = 30 + 0
70 + -1x = 30

Add '-70' to each side of the equation.
70 + -70 + -1x = 30 + -70

Combine like terms: 70 + -70 = 0
0 + -1x = 30 + -70
-1x = 30 + -70

Combine like terms: 30 + -70 = -40
-1x = -40

Divide each side by '-1'.
x = 40

Simplifying
x = 40

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