140=7(-2a+4)

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Solution for 140=7(-2a+4) equation:


Simplifying
140 = 7(-2a + 4)

Reorder the terms:
140 = 7(4 + -2a)
140 = (4 * 7 + -2a * 7)
140 = (28 + -14a)

Solving
140 = 28 + -14a

Solving for variable 'a'.

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

Add '14a' to each side of the equation.
140 + 14a = 28 + -14a + 14a

Combine like terms: -14a + 14a = 0
140 + 14a = 28 + 0
140 + 14a = 28

Add '-140' to each side of the equation.
140 + -140 + 14a = 28 + -140

Combine like terms: 140 + -140 = 0
0 + 14a = 28 + -140
14a = 28 + -140

Combine like terms: 28 + -140 = -112
14a = -112

Divide each side by '14'.
a = -8

Simplifying
a = -8

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