3(7x-1)+4(15-3x)=2(4x+5)-7

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Solution for 3(7x-1)+4(15-3x)=2(4x+5)-7 equation:


Simplifying
3(7x + -1) + 4(15 + -3x) = 2(4x + 5) + -7

Reorder the terms:
3(-1 + 7x) + 4(15 + -3x) = 2(4x + 5) + -7
(-1 * 3 + 7x * 3) + 4(15 + -3x) = 2(4x + 5) + -7
(-3 + 21x) + 4(15 + -3x) = 2(4x + 5) + -7
-3 + 21x + (15 * 4 + -3x * 4) = 2(4x + 5) + -7
-3 + 21x + (60 + -12x) = 2(4x + 5) + -7

Reorder the terms:
-3 + 60 + 21x + -12x = 2(4x + 5) + -7

Combine like terms: -3 + 60 = 57
57 + 21x + -12x = 2(4x + 5) + -7

Combine like terms: 21x + -12x = 9x
57 + 9x = 2(4x + 5) + -7

Reorder the terms:
57 + 9x = 2(5 + 4x) + -7
57 + 9x = (5 * 2 + 4x * 2) + -7
57 + 9x = (10 + 8x) + -7

Reorder the terms:
57 + 9x = 10 + -7 + 8x

Combine like terms: 10 + -7 = 3
57 + 9x = 3 + 8x

Solving
57 + 9x = 3 + 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.
57 + 9x + -8x = 3 + 8x + -8x

Combine like terms: 9x + -8x = 1x
57 + 1x = 3 + 8x + -8x

Combine like terms: 8x + -8x = 0
57 + 1x = 3 + 0
57 + 1x = 3

Add '-57' to each side of the equation.
57 + -57 + 1x = 3 + -57

Combine like terms: 57 + -57 = 0
0 + 1x = 3 + -57
1x = 3 + -57

Combine like terms: 3 + -57 = -54
1x = -54

Divide each side by '1'.
x = -54

Simplifying
x = -54

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