3(2x-10)+4(x-7)=12

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Solution for 3(2x-10)+4(x-7)=12 equation:


Simplifying
3(2x + -10) + 4(x + -7) = 12

Reorder the terms:
3(-10 + 2x) + 4(x + -7) = 12
(-10 * 3 + 2x * 3) + 4(x + -7) = 12
(-30 + 6x) + 4(x + -7) = 12

Reorder the terms:
-30 + 6x + 4(-7 + x) = 12
-30 + 6x + (-7 * 4 + x * 4) = 12
-30 + 6x + (-28 + 4x) = 12

Reorder the terms:
-30 + -28 + 6x + 4x = 12

Combine like terms: -30 + -28 = -58
-58 + 6x + 4x = 12

Combine like terms: 6x + 4x = 10x
-58 + 10x = 12

Solving
-58 + 10x = 12

Solving for variable 'x'.

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

Add '58' to each side of the equation.
-58 + 58 + 10x = 12 + 58

Combine like terms: -58 + 58 = 0
0 + 10x = 12 + 58
10x = 12 + 58

Combine like terms: 12 + 58 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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