7(x+10)=3x+78

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Solution for 7(x+10)=3x+78 equation:


Simplifying
7(x + 10) = 3x + 78

Reorder the terms:
7(10 + x) = 3x + 78
(10 * 7 + x * 7) = 3x + 78
(70 + 7x) = 3x + 78

Reorder the terms:
70 + 7x = 78 + 3x

Solving
70 + 7x = 78 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
70 + 7x + -3x = 78 + 3x + -3x

Combine like terms: 7x + -3x = 4x
70 + 4x = 78 + 3x + -3x

Combine like terms: 3x + -3x = 0
70 + 4x = 78 + 0
70 + 4x = 78

Add '-70' to each side of the equation.
70 + -70 + 4x = 78 + -70

Combine like terms: 70 + -70 = 0
0 + 4x = 78 + -70
4x = 78 + -70

Combine like terms: 78 + -70 = 8
4x = 8

Divide each side by '4'.
x = 2

Simplifying
x = 2

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