7x+8x-7=-19(1-x)

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Solution for 7x+8x-7=-19(1-x) equation:


Simplifying
7x + 8x + -7 = -19(1 + -1x)

Reorder the terms:
-7 + 7x + 8x = -19(1 + -1x)

Combine like terms: 7x + 8x = 15x
-7 + 15x = -19(1 + -1x)
-7 + 15x = (1 * -19 + -1x * -19)
-7 + 15x = (-19 + 19x)

Solving
-7 + 15x = -19 + 19x

Solving for variable 'x'.

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

Add '-19x' to each side of the equation.
-7 + 15x + -19x = -19 + 19x + -19x

Combine like terms: 15x + -19x = -4x
-7 + -4x = -19 + 19x + -19x

Combine like terms: 19x + -19x = 0
-7 + -4x = -19 + 0
-7 + -4x = -19

Add '7' to each side of the equation.
-7 + 7 + -4x = -19 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = -19 + 7
-4x = -19 + 7

Combine like terms: -19 + 7 = -12
-4x = -12

Divide each side by '-4'.
x = 3

Simplifying
x = 3

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