-4(3a+5b)-7(2a-5b)=

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Solution for -4(3a+5b)-7(2a-5b)= equation:


Simplifying
-4(3a + 5b) + -7(2a + -5b) = 0
(3a * -4 + 5b * -4) + -7(2a + -5b) = 0
(-12a + -20b) + -7(2a + -5b) = 0
-12a + -20b + (2a * -7 + -5b * -7) = 0
-12a + -20b + (-14a + 35b) = 0

Reorder the terms:
-12a + -14a + -20b + 35b = 0

Combine like terms: -12a + -14a = -26a
-26a + -20b + 35b = 0

Combine like terms: -20b + 35b = 15b
-26a + 15b = 0

Solving
-26a + 15b = 0

Solving for variable 'a'.

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

Add '-15b' to each side of the equation.
-26a + 15b + -15b = 0 + -15b

Combine like terms: 15b + -15b = 0
-26a + 0 = 0 + -15b
-26a = 0 + -15b
Remove the zero:
-26a = -15b

Divide each side by '-26'.
a = 0.5769230769b

Simplifying
a = 0.5769230769b

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